What is a gross motor skill that infants typically begin to exhibit between 4 to 6 months?

Infants typically begin to exhibit the ability to roll from their back to their side between 4 to 6 months of age as a part of their gross motor development. This developmental milestone indicates that the infant is gaining increasing control over their body, particularly in regards to their trunk and coordination. Rolling is an essential movement that paves the way for further milestones, such as rolling from back to front and eventually sitting unsupported.

During this stage, infants are also enhancing their muscle strength and balance, which contributes to their overall gross motor skills. While rolling side to side helps in developing core strength, it is also a natural progression that leads to more advanced movements as the child grows. Other skills, such as sitting unsupported or rolling from back to front, typically emerge later than this specific timeframe, while fine motor skills such as the pincer grasp are developed at a different stage altogether.